Home / 852,996.04-1,279,674.50-320,521.68

Finding the Fourth Proportional to 852,996.04, 1,279,674.50 and 320,521.68

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Solution

The fourth proportional to 852,996.04, 1,279,674.50 and 320,521.68 is: 480,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,996.04 : 1,279,674.50 = 320,521.68 : x
  2. Step 2: Convert to fraction form
    852,996.04/1,279,674.50 = 320,521.68/x
  3. Step 3: Cross multiply
    852,996.04x = 1,279,674.50 × 320,521.68
  4. Step 4: Simplify right side
    852,996.04x = 410,163,418,990.55
  5. Step 5: Solve for x
    x = 410,163,418,990.55/852,996.04
  6. Step 6: Final answer
    x = 480,850.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.